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•
Fit the foot bolts (21) (Supplied in the foot
kit) through the feet into the bearing
housing (1) and tighten to the torque
specified in Table 1.
Pump Size
HP3
Gear Cover Bolt
HP4
Gear Cover Bolt
HP5
Gear Cover Bolt
HP6
Gear Cover Bolt
Feet bolts should have thread lock applied before
fitting such as 'Loctite 243 Thread Lock'
Table 1 - Torque Table
3.4 DRIVES
If the HP & LH pump was supplied in bare shaft
form i.e. without a drive motor, the drive must be
selected and supplied to suit each individual
application.
Pay attention to special motor requirements.
•
Explosion/flame proof
•
Hose proof/splash proof
•
High ambient temperature
•
Frequent stop/starts
•
Materials of construction
•
Available electrical voltage and frequency
Provision of a variable motor speed (i.e. by
frequency inverter), is always recommended to
enable flow to be accurately set, accommodate
changes in fluid viscosity, changes in temperature,
or to run the pump faster for cleaning. Variable
speed motors must be selected to accommodate
the
full
power
and
throughout the operating speed range.
Transmission to the pump shaft will normally be
by one of the following:
Direct Coupling:
If synchronous motor speeds can be matched to
the required pump speed, the drive can be via a
proprietary flexible shaft coupling.
A torque limiting coupling can protect the pump
Torque
Fixing
Nm
Foot Bolt
25
8
Foot Bolt
25
8
Foot Bolt
72
10
Foot Bolt
72
10
torque
requirements
against overload.
In all cases the coupling manufacturer's limits
should be adhered to.
See performance curve to calculate torque.
Pump and motor shafts should be accurately
aligned
in
accordance
manufacturer's instructions.
Motor reductor:
For pump speeds lower than synchronous motor
speeds, a proprietary motor reductor may be
fitted. Variable ratio units are available to allow
the pump speed to be adjusted. Coupling to the
pump will be as in above bullet point.
3.5 BASEPLATE
The pump and drive will normally be mounted on
a common baseplate or frame which must be
strong and rigid enough to withstand the drive
reaction forces as well as to support the
equipment without vibration. Ensure the base is
level as distortion could affect coupling alignment.
Always check pump to drive alignment after
installation and before starting the pump.
For hygienic applications the following conditions
should also be met:
•
Baseplates should be constructed from
stainless steel or coated / painted mild
steel.
•
Legs, when used, must have either
rounded ends or have flat load bearing
feet suitable for floor mounting with no
exposed threads.
•
Legs made from hollow stock must be
sealed.
•
Baseplates should be sealed to the floor.
3.6 GUARDS AND SAFETY
ATTENTION
The machinery is incomplete and must not be put
into service until the machinery into which it is to
be incorporated has been declared in conformity
with the provisions of the Directive.
ATTENTION
All moving parts must be guarded, and in
accordance with the applicable Directive.
with
the
coupling
11
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